20176769981

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{983}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 21831102720

約数和(自身を除く): 1654332739

約数列:

[1, 29, 41, 61, 283, 983, 1189, 1769, 2501, 8207, 11603, 17263, 28507, 40303, 59963, 72529, 278189, 336487, 500627, 707783, 1168787, 1738927, 2458483, 8067481, 11405749, 16969529, 20525707, 71296007, 330766721, 492116341, 695750689, 20176769981]

約数ペア:

[(1, 20176769981), (29, 695750689), (41, 492116341), (61, 330766721), (283, 71296007), (983, 20525707), (1189, 16969529), (1769, 11405749), (2501, 8067481), (8207, 2458483), (11603, 1738927), (17263, 1168787), (28507, 707783), (40303, 500627), (59963, 336487), (72529, 278189)]